One headlight dim

I have a 2001 honda accord ex coupe and the driver side headlight is dim. The passanger side if dine and both high beams work fine but that one will not light up all the way, even with a new bulb in it. Any suggestions?

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Jan 23, 2014 - My driver's side lights are working fine - high and low beams. ... But it definitely looks like the big lamp on the driver's side gets brighter when ..... Drivers side headlight is very dim on low beam and goes out when on high beam ...

According to the wiring diagram, there is no relay involved.The headlight switch provides the ground for the lights and they get power from a fuse for each side. So the high and low beam on one side is powered by the same fuse and the ground is thru the switch.Could be the switch but chances are a wiring problem.

You have a bad ground on one of your headlamps and it is feeding back through your high beam element.
Your headlamps ground at "ground C" it is a "splice pack" type ground connection and it is located on the right side of the engine compartment bolted to the right fender area. You may have to disassemble the splice pack and clean corrosion from the terminals inside of it to get your lights working properly.

you say you replaced both bulbs, you mean right and left or both the high beam and the low beam on left side?could be a bad ground for the left headlight. there should be some ground wires there near the headlight, LF corner under hood. without a wiring diagram here at home,I am not much help.